Search Results - "Cateto, Carolina Andreia"
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Optimization Study of Lignin Oxypropylation in View of the Preparation of Polyurethane Rigid Foams
Published in Industrial & engineering chemistry research (04-03-2009)“…Four lignin samples (Alcell, Indulin AT, Curan 27-11P, and Sarkanda) were converted into liquid polyols by a chain extension reaction with propylene oxide…”
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Journal Article -
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Kinetic study of the formation of lignin-based polyurethanes in bulk
Published in Reactive & functional polymers (01-08-2011)“…The formation of lignin-based polyurethanes was monitored by Fourier transform infrared spectroscopy working in attenuated total reflectance mode (FTIR-ATR)…”
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Journal Article -
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Lignins as macromonomers for polyurethane synthesis: A comparative study on hydroxyl group determination
Published in Journal of applied polymer science (05-09-2008)“…The hydroxyl group contents of four technical lignins [Indulin AT (Meadwestvaco), Alcell (Repap), Curan 27-11P (Borregaard LignoTech), and Sarkanda (Granit…”
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Journal Article -
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Lignin-based polyurethanes: Synthesis, characterisation and applications
Published 01-01-2008“…In this work, lignins role as a macromonomer in polyurethane synthesis was evaluated following two different approches: (i) utilisation after chemical…”
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Dissertation